{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["machanical property", "manufacturing process", "process characterization", "application", "machine or equipment", "enabling technology"], "input": "Because of the swinging movement of the welding arc , the heat is distributed over a larger area , and the power density decreases ."}
{"machanical property": ["density"], "manufacturing process": ["welding"], "process characterization": [], "application": [], "machine or equipment": [], "enabling technology": []}